Mail delivery failed: returning message to sender

[Singnet Mail Delivery System]

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  custsupport@pelikanartline.com.au
    host mail.pelikanartline.com.au [116.90.63.236]
    SMTP error from remote mail server after RCPT TO:<custsupport@pelikanartline.com.au>:
    550 No Such User Here
  custserv@glassgraphics.com
    host mx10.mailspamprotection.com [35.224.11.180]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  cute@jaycor.co.za
    host mfw.busgateway.is.co.za [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<cute@jaycor.co.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  cuta@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<cuta@mweb.co.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  custservmgrsammymarkspta@woolworths.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<custservmgrsammymarkspta@woolworths.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [C8fdDXXANGW9Ku_pN1JfDA.za141]
  custserv@dkagencies.com
    host smtp.secureserver.net [68.178.213.37]
    SMTP error from remote mail server after end of data:
    552 5.2.0 rZwvm2JwTpmAB - rZwvm2JwTpmABrZwwmeigm This message has been rejected due to content judged to be spam by the internet community IB212 - If you feel this is in error, please submit a request using the following page. <https://checkspam.secureserver.net/?sid=rZwvm2JwTpmAB&mid=rZwvm2JwTpmABrZwwmeigm>
  custserv@backbayrestaurantgroup.com
    host smtp.secureserver.net [68.178.213.37]
    SMTP error from remote mail server after RCPT TO:<custserv@backbayrestaurantgroup.com>:
    550 5.1.1 <custserv@backbayrestaurantgroup.com> Recipient not found.  <http://x.co/irbounce>
  cutanak@iafrical.com
    host aspmx.l.google.com [172.217.194.26]
    SMTP error from remote mail server after RCPT TO:<cutanak@iafrical.com>:
    550-5.1.1 The email account that you tried to reach does not exist. Please try
    550-5.1.1 double-checking the recipient's email address for typos or
    550-5.1.1 unnecessary spaces. Learn more at
    550 5.1.1  https://support.google.com/mail/?p=NoSuchUser f12si16689738pgu.829 - gsmtp
  customshop@deanguitars.com
    host deanguitars-com.mail.protection.outlook.com [104.47.55.138]
    SMTP error from remote mail server after RCPT TO:<customshop@deanguitars.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [BN8NAM12FT027.eop-nam12.prod.protection.outlook.com]
  custsvc@digi.com.my
    host mx3.digi.com.my [116.197.25.112]
    SMTP error from remote mail server after DATA:
    550 #5.7.1 Your access to submit messages to this e-mail system has been rejected.
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From: "BEN JOHNSON" <mauve-patches@sourceware.org>
Subject: WARM REGARDS
Date: Mon, 29 Nov 2021 14:12:04 +0800
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